Janay McFarlane murderedin Chicago: Janay McFarlane was killed hours after her little sister, Destini Warren, attended President Obama’s speech about the gun violence that was plaguing the nation. Janay McFarlane, 18, was fatally shot in the head about 11:30 p.m. in an alley in the 1300 block of Jackson Street in North Chicago, the Sun Times reports.

Janay McFarlane’s murder comes weeks after 15 year old Hadiya Pendleton was murdered in a Chicago park as she sought shelter from the rain. Michael Ward and Kenneth Williams were charged with her murder. McFarlane’s sister, Destini Warren, 14, was among a group of teenagers who sat behind President Obama as he spoke at Hype Park Career Academy, where he pushed for new gun control legislation.

Janay McFarlane, who leaves behind three-month-old son Jayden, was once a student at Hyde Park Career Academy, according to her Facebook profile. If you have any information, please contact the police immediately.

Separately, three teens were shot, one fatal, Saturday night in Chicago. The murdered teen, Oscar Marquez, was shot in the head as he old and an 18-year-old were sitting in a car in the 2400 block of West Cermak Road by someone in another vehicle, Chicago Police Department News Affairs Officer Veejay Zala said. The other passenger in the car with Marquez was also shot. In another incident, a 16 year old teen was shot at about 9 p.m., as he stood on the corner of East 39th Street and South Martin Luther King, Jr. Drive in the Bronzeville neighborhood, when two teens accosted him. He is listed in serious condition.

UPDATE#1 (02/17/13 4:19 EST): Chicago Tribune: “An 18-year-old man and a 20-year-old man are considered persons of interest in the homicide investigation and are being questioned by North Chicago police and officials from the Lake County State’s Attorney’s Office in connection with the death of Janay McFarlane, according to a statement released this afternoon by North Chicago police.”